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经营范围
发明名称
Exhaust whistle
摘要
申请公布号
US1799891(A)
申请公布日期
1931.04.07
申请号
US19300493126
申请日期
1930.11.03
申请人
JERIE EVICH
发明人
EVICH JERIE
分类号
G10K5/00
主分类号
G10K5/00
代理机构
代理人
主权项
地址
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